Linux Admin (DevOps Support)

B3 Consulting Poland is part of an international organization listed on Nasdaq Stockholm, operating in 11 countries, and working autonomously in Poland with a focus on delivering IT projects across various industries domestically and internationally.

• Several years of experience in on-premises Operations / System Administration with strong Linux skills (command line, troubleshooting, system maintenance)
• Experience handling tickets/incidents and working within SLAs
• Strong shell scripting and task automation skills
• Basic Jenkins knowledge (running pipelines, job monitoring)
• Knowledge of Docker and Kubernetes (usage and operations, no cluster engineering required)
• Knowledge of Git
• Networking basics including firewalls, proxies, SSH, and connection analysis
• English (B2/C1) and Polish (C1+)
• Readiness to work in hybrid mode (1 day/week office in Warsaw or Łódź)

Nice to have:

• Basic knowledge of cloud topics
• Knowledge of API configuration and making minor changes/integration scripts

• Ensuring stable operation of the on-premise infrastructure supporting firmware engineers including Linux system administration, resource monitoring, and incident response within SLAs
• Supporting the firmware development team's work with containerized systems and Kubernetes including managing Git repositories and environments for deploying and running development jobs
• Automating operational processes and supporting API-related tasks including shell scripting, API configuration, handling Jenkins pipelines, and network troubleshooting (firewalls, proxies, SSH)

Ability to work in Poland (citizenship, residence card, visa, etc.) required.